CN107448488A - Hooks coupling universal coupling yoke and jackshaft - Google Patents
Hooks coupling universal coupling yoke and jackshaft Download PDFInfo
- Publication number
- CN107448488A CN107448488A CN201710333177.7A CN201710333177A CN107448488A CN 107448488 A CN107448488 A CN 107448488A CN 201710333177 A CN201710333177 A CN 201710333177A CN 107448488 A CN107448488 A CN 107448488A
- Authority
- CN
- China
- Prior art keywords
- yoke
- arm
- pair
- backoff
- hooks coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/20—Connecting steering column to steering gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
- F16D1/0864—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/03—Shafts; Axles telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
- Forging (AREA)
Abstract
The present invention provides a kind of Hooks coupling universal coupling yoke and jackshaft.First yoke includes the cylindrical portion of (axial direction) extension, flange and a pair of arms from flange extension in the first direction.The support holes of cross axle are formed in the leading section of arm.Arm includes the medial surface opposed with second direction.When from the third direction orthogonal with first direction and second direction, medial surface includes the first backoff portion and the second backoff portion.First backoff portion amplifies the interval between the medial surface of a pair of arms with the terminal of the base end part side from the top of the opening edge portion side of support holes towards arm.Second backoff portion connects the end face of terminal and flange with arc-shaped.
Description
The application advocate on May 18th, 2016 propose Japanese patent application 2016-099785 priority, and
This quotes its specification, accompanying drawing, the full content of summary.
Technical field
The present invention relates to Hooks coupling universal coupling yoke and jackshaft.
Background technology
Generally in the car, using the steering spindle linked with steering wheel, with as tooth sector axle such as gear shaft via
Jackshaft links.In common example, jackshaft is respectively arranged with universal at the both ends for the intermediate propeller shaft that can be stretched
Shaft coupling.
Jackshaft plays the function of being shunk in vehicle collision.Therefore, the angle of bend as Hooks coupling universal coupling is (universal
The angle of the crossing between the central axis for a pair of axles that shaft coupling is connected), it is necessary to angle of bend bigger during than normal work (such as
60 degree or so).As the technology of a pair of arms (arm) the mutual interference for suppressing Hooks coupling universal coupling, in Japanese Unexamined Patent Publication 10-
It is proposed there is following Hooks coupling universal coupling yoke in No. 205547 publications:The circular hole of bearing cup is fitted together in the close fore-end of the arm of yoke
Near be partly the section arc-shaped that mutually opposing face is set to cylindric concave surface arc sections, the pars intermedia of arm is
The flat part being parallel to each other.
In No. 2553096 publications of Japanese Utility Model Registration Section No., proposition has following technology:In the periphery of combination arm (arm)
The circumferential direction both sides of surface side leading edge portion form the recess being more recessed than the periphery of combination arm by forging mold.
However, when jackshaft is supplied to the assembly line of car body as partial assembled, consider universal to support one
One yoke of axle device and the state of suspending remainder in midair are supplied.In this case, the angle of bend as Hooks coupling universal coupling needs
It is set to such as 90 ° of so larger angle of bends.On the other hand, as Japanese Unexamined Patent Publication 10-205547 publications, Japan are practical
The shape for the leading section for only improveing arm as No. 2553096 publication of Model Registration is can not be corresponding.It is larger in angle of bend
In the case of be able to confirm that out close to arm base end part part medial surface produce interference.
The content of the invention
Even it is an object of the invention to provide a kind of angle of bend that can be larger can also suppress the yoke with subject side
Interference Hooks coupling universal coupling yoke and jackshaft.
It is characterised by possessing in the structure of the Hooks coupling universal coupling yoke of the mode of the present invention:The tubular that axle combines
Portion;Slit, it is from one end of above-mentioned cylindrical portion along the axially extending of the cylindrical portion as first direction;Flange, it is from above-mentioned cylinder
The other end in shape portion extends to the radial outside of above-mentioned cylindrical portion;A pair of arms, the arm from above-mentioned flange to above-mentioned cylindrical portion
Opposite side extension configuration, and linked via cross axle in a manner of it can swing with subject side yoke, above-mentioned a pair of arms are in
Tabular, opposed medial surface and positioned at above-mentioned inner side in the second direction that the tabular is included in above-mentioned first direction is orthogonal
The lateral surface of the opposite side in face, each said arm include the base end part that is connected with above-mentioned flange and leading section, each said arm it is upper
Leading section is stated to insert via by the corresponding axle portion in the cross axle formed with the support holes being made up of through hole, the support holes
Bearing and supported, the above-mentioned support holes of each said arm have the central axis extended along above-mentioned second direction, from it is upper
State the orthogonal third direction observation of both first direction and above-mentioned second direction, the above-mentioned medial surface of each said arm is with from upper
The top of the opening edge portion side of support holes is stated towards the terminal of above-mentioned base end part side with amplify the medial surface of above-mentioned a pair of arms it
Between interval mode the first backoff portion kept out of the way and above-mentioned terminal is connected with the end face of above-mentioned flange the of arc-shaped
Two backoff portion.
Brief description of the drawings
Fig. 1 is the transfer for the jackshaft for applying the Hooks coupling universal coupling yoke including an embodiment of the invention
Schematic diagram.
Fig. 2 is the side view in partial cross-section of jackshaft.
Fig. 3 is the brief perspective views of the first yoke as Hooks coupling universal coupling yoke.
In Fig. 4, (a) is the brief front view of the first yoke, and (b) is the IVb-IVb sectional views of (a).
Embodiment
Hereinafter, the preferred embodiment of the present invention is described in detail by referring to accompanying drawing, it is of the invention above-mentioned and its
Its feature and advantage can become more fully apparent, wherein, to identical part mark identical mark.
Hereinafter, the embodiment for embodying the present invention is illustrated with reference to the accompanying drawings.Fig. 1 is the implementation of the present invention
The schematic diagram of the transfer 1 for applying the jackshaft 6 including Hooks coupling universal coupling yoke of mode.As shown in figure 1, transfer 1
Possess the handling maneuver such as steering wheel part 2 and steering mechanism 4.The rotation of steering mechanism 4 and handling maneuver part 2 interlock so as to
Deflecting roller 3 is turned to.
Transfer 1 possesses steering spindle 5 and jackshaft 6.Steering spindle 5 is in a manner of it can rotate integrally and handling maneuver
One end of part 2 links.
Steering mechanism 4 is for example made up of pinion and rack.Steering mechanism 4 includes gear shaft 7 and rack shaft 8.Gear shaft
Gear 7a engaged with the rack 8a of rack shaft 8.
Rack shaft 8 is being fixed in the rack housing 9 of car body via multiple bearings (not shown) can be moved up in axial X
Dynamic mode is supported by.The both ends of rack shaft 8 are prominent to the both sides of rack housing 9, each end respectively with track rod 10
With reference to.Each track rod 10 links via knuckle arm (not shown) with corresponding deflecting roller 3.
Jackshaft 6 is located between steering spindle 5 and gear shaft 7, and links steering spindle 5 and gear shaft 7.If operation turns to behaviour
Vertical part 2 simultaneously rotates steering spindle 5, then the rotation is transferred to gear shaft 7 via jackshaft 6.The rotation passes through gear 7a and tooth
Bar 8a is converted to along the axial X of the rack shaft 8 of the left and right directions of automobile motion so as to realize the steering of deflecting roller 3.
Jackshaft 6 possesses the intermediate propeller shaft 20 that can be stretched, the first Hooks coupling universal coupling 30 and the second Hooks coupling universal coupling
40.First Hooks coupling universal coupling 30 is arranged at the axial Y of intermediate propeller shaft 20 first end 20a.Second Hooks coupling universal coupling 40 is set
It is placed in the axial Y of intermediate propeller shaft 20 the second end 20b.Fig. 2 is the biopsy cavity marker devices schematic side view of jackshaft 6.Such as Fig. 2 institutes
Show, intermediate propeller shaft 20 possess for example as lower axle interior axle 21 and for example as upper axle tubular outer shaft 22.In interior axle
21 periphery is formed with external splines 21a.Outer shaft 22 inner circumferential formed with the internal spline 22a chimeric with external splines 21a.Interior axle 21
Being capable of the relative slips of Y vertically by way of spline is chimeric with outer shaft 22.Thus, intermediate propeller shaft 20 can be stretched Y vertically
Contracting.
First Hooks coupling universal coupling 30 includes the first yoke 51 and cross axle 53.Second Hooks coupling universal coupling 40 includes the He of the second yoke 52
Cross axle 53.First yoke 51 is combined with steering spindle 5, and is fixed by fastening bolt 55.Second yoke 52 is combined with gear shaft 7, and by
Fastening bolt 55 is fixed.Cross axle 53 links the first yoke 51 and the second yoke 52.End 20a, 20b corresponding to intermediate propeller shaft 20
Combined with the second yoke 52.First yoke 51 includes a pair of arms 65.Second yoke 52 (only shows an arm in fig. 2 including a pair of arm 52a
52a)。
Each axle portion (not shown) of cross axle 53 is supported on corresponding yoke via bearing 54 in a manner of it can rotate respectively
51st, arm 65, the 52a corresponding to 52.Because the first Hooks coupling universal coupling 30 and the second Hooks coupling universal coupling 40 are general structure, because
This is illustrated according to the first yoke 51 of the first Hooks coupling universal coupling 30.Fig. 3 is the brief perspective views of the first yoke 51.In Fig. 4, (a)
It is the brief front view of the first yoke 51, (b) is the IVb-IVb sectional views of (a).
As shown in Fig. 3, Fig. 4 (a) and (b), the first yoke 51 possesses the tubular that the axle with central axis C1 combines
Portion 60.Cylindrical portion 60 has one end 60a and another on the axial Z1 (hereinafter also referred to as first direction Z1) of the cylindrical portion 60
Hold 60b.Z1 is penetrated cylindrical portion 60 in the first direction.It is outer formed with the end with steering spindle 5 in the inner peripheral surface 60c of cylindrical portion 60
The outer sawtooth chimeric interior sawtooth (not shown) (not shown) in week.
Cylindrical portion 60 has one end 60a slits 61 that Z1 is extended parallel in the first direction from cylindrical portion 60.Cylindrical portion
60 are provided with across mutually opposing a pair of the fastening parts 62,63 of slit 61.A pair of fastening parts 62,63 are parallel with first direction Z1 simultaneously
And the outside of from the radial direction R1 to cylindrical portion 60 extends.It is tight at another formed with bolt-inserting hole 62a in a fastening part 62
Gu formed with screwed hole 63a in portion 63.Bolt-inserting hole 62a and screwed hole 63a has shared central axis C3.
Fastening bolt 55 shown in Fig. 2 inserts the bolt-inserting hole 62a shown in Fig. 4 (b) and is threaded into hole 63a.By
This, reduces the diameter of cylindrical portion 60 via a pair of fastening parts 62,62, and the steering spindle 5 being fastened and fixed in insertion cylindrical portion 60.Such as figure
Shown in 3 and Fig. 4 (a), the first yoke 51 has the outside of the radial direction R1 from the other end 60b of cylindrical portion 60 towards cylindrical portion 60 simultaneously
And the flange 64 of the ring-type extended along the direction orthogonal with first direction Z1.First yoke 51 have from flange 64 to cylindrical portion 60
A pair of arms 65 of opposite side extension configuration.
A pair of arms 65, flange 64 and cylindrical portion 60 are formed by single material such as steel and are integrated.Thus, the is formed
One yoke 51.First yoke 51 is made up of forged article.A pair of arms 65 are in the tabular parallel with first direction Z1.A pair of arms 65 are along with first
The mutually opposing isolation of second direction Z2 orthogonal direction Z1.A pair of arms 65 are formed as mutual identical shape.A pair of arms 65 include
Opposed medial surface 66 and the lateral surface 67 positioned at the opposite side of medial surface 66 on second direction Z2.Each arm 65 has convex
The base end part 65a of the side of the edge 64 and leading section 65b positioned at base end part 65a opposite side.
Second yoke 52 as subject side yoke of a pair of arms 65 via cross axle 53 in a manner of it can swing and shown in Fig. 2
Link.In each arm 65 formed with the support holes 68 (reference picture 3) being made up of through hole, wherein, above-mentioned support holes are via by cross
The bearing 54 of the corresponding axle portion insertion (not shown) of axle 53 is supported.As Suo Shi Fig. 3 and Fig. 4 (a), the shape of support holes 68
Into in the leading section 65b of arm 65.Support holes 68 have the central axis C2 of Z2 extensions in a second direction.The support holes of a pair of arms 65
68 configure in concentric fashion.Support holes 68 are in medial surface 66 formed with opening 70.In medial surface 66, opening 70 is surrounded in ring-type
What in opening edge portion 70a, front 65b was formed in part with arc-shaped keeps out of the way recess 71.
When Fig. 4 (a) is equivalent to from the third direction Z3 orthogonal with both first direction Z1 and second direction Z2
The first yoke 51 front view.As shown in Fig. 4 (a), from third direction Z3 [direction orthogonal with the paper of Fig. 4 (a)]
During observation, the medial surface 66 of each arm 65 includes the first backoff portion 81 and the second backoff portion 82 (reference picture 3).
First backoff portion 81 is as the top 81S from the opening edge portion 70a sides of support holes 68 is towards the base end part of arm 65
The terminal 81E of 65a sides, kept out of the way on second direction Z2 in a manner of the interval between amplifying the medial surface 66 of a pair of arms 65.Tool
For body, the first backoff portion 81 of a pair of arms 65 is by relative to first direction Z1 mutually inclined plane shapes inclined in the opposite direction
Into.
If the maximum amount of keeping out of the way of each first backoff portion 81 to be set to (in the terminal 81E amount of keeping out of the way) to Δ B, a pair of arms 65
Interval between the top 81S of first backoff portion 81 of interval than a pair of arms 65 of B2 between the terminal 81E of the first backoff portion 81
Big 2 × Δ the B (B2=B1+2 × Δ B) of B1.That is, by setting the first backoff portion 81 in each arm 65, so as to the inner side of a pair of arms 65
Deployed towards the side of flange 64 with gradually extending shape in space between face 66.
Therefore, at great angle of bend (90 °), first backoff portion 81 and the conduct subject side yoke shown in Fig. 2 are suppressed
The second yoke 52 each arm 52a lateral edge portion 52b interference.Here, each first backoff portion 81 on second direction Z2
The maximum amount of keeping out of the way Δ B can also be determined by forging deviation, the size of die parting line.The maximum amount of keeping out of the way Δ B be for example set as 0.2mm~
In the range of 4mm.
Originally, on the central axis C2 of support holes 68 direction (the second direction Z2 as the opposed direction of arm 65),
The nested position of bearing 54, which has, occurs the trend of deviation because of assembly error.Thus, each arm 52a of the second yoke 52 of subject side
There is also Z2 in a second direction for position to there is the situation of deviation.In this case, by setting the first backoff portion 81, so as to
The lateral edge portion 52b for suppressing the arm 52a of the second yoke 52 of subject side is disturbed the medial surface 66 of the first yoke 51.
As shown in Fig. 4 (a), the second backoff portion 82 is formed as connecting the terminal 81E and flange 64 of the first backoff portion 81
End face 64a arc-shaped chamfer shape recessed flexure plane.Second backoff portion 82 of arc-shaped with the maximum amount of keeping out of the way Δ B with being moved back
The first backoff portion 81 kept away connects.Therefore, the subject side yoke shown in second backoff portion 82 and Fig. 2 that is, the second yoke 52 are expanded
Interval between each arm 52a front end circular arc rim portion 52c.Thus, at great angle of bend (90 °), suppress second and move back
Keep away the interference in portion 82 and front end circular arc rim portion 52c.Therefore, front end circular arc rim portion 52c can keep forging surface original
Sample is without being machined.
As shown in Fig. 4 (a), in a first direction with by one end of the central axis C2 of support holes 68 and cylindrical portion 60 on Z1
Under conditions of the distance between 60a end face L is set to constant, it is assumed that be not provided with the situation of the second backoff portion 82.In the hypothesis
In the case of, in order to avoid dry between each arm 52a of the second yoke 52 as subject side yoke front end circular arc rim portion 52c
Disturb, it is necessary to increase the distance between the central axis C2 and end face 64a of flange 64 A on Z1 in a first direction.But if increase away from
From A, then the end face 64a and bolt-inserting hole 62a that in a first direction Z1 on reduce flange 64 corresponding with distance A increase it
Between distance H, so as to there is the worry of intensity decreases.
On the other hand, in the present embodiment, by setting the second backoff portion 82, so as to be moved back as shown in Fig. 2 expanding second
The interval kept away between each arm 52a of the yoke of portion 82 and second front end circular arc rim portion 52c.Therefore, in Fig. 4 (a), with
Due to distance A need not be increased, therefore distance H will be able to ensure that under conditions of distance L is set to constant.Thus, it is even small-sized
It can also ensure that intensity.
Second backoff portion 82 of arc-shaped can not make its radius of curvature r too small, and can suppress the second of subject side
The interference for front end circular arc rim portion 52c of yoke 52.Specifically, the radius of curvature r of the second backoff portion 82 passes through hot forging
Make and be for example set as in the range of 5mm~8mm, so as to extend the die life of forging mold.First backoff portion 81 and
Second backoff portion 82 is formed by forging surface or even substituting its surface.That is, the first backoff portion 81 and the second backoff portion 82 are
Mould forming portion rather than machining portion.
From third direction Z3, the lateral surface 67 of each arm 65 is included in the first backoff portion 81 and the second backoff portion 82
It is inboard to protrude the extension 83 that bending stretches out laterally.According to the first yoke as Hooks coupling universal coupling yoke of present embodiment
51, it is provided with the respective medial surface 66 of a pair of arms 65 with the top 81S courts from the opening edge portion 70a sides of support holes 68
To the terminal 81E of the base end part 65a sides of arm 65, kept out of the way in a manner of the interval between amplifying the medial surface 66 of a pair of arms 65
The first backoff portion 81 and connect the first backoff portion 81 terminal 81E moved back with the second of the end face 64a of flange 64 arc-shaped
Keep away portion 82.
By setting two backoff portion 81,82, as shown in Fig. 4 (a), space between the medial surface 66 of a pair of arms 65 is towards convex
Expanded with gradually extending shape the side of edge 64.Therefore, when being applied to the Hooks coupling universal coupling at large curved angle (such as 90 °), energy
Enough suppress the interference of a pair of arms 65 and the arm 52a of the yoke (the second yoke 52) of subject side.
Outwards extension 83 is provided with the inboard of two backoff portion 81,82 of the medial surface 66 of each arm 65 in side 67.Thus,
Regardless of whether the medial surface 66 in each arm 65 sets two backoff portion 81,82, as shown in Fig. 4 (a), suppress the wall thickness t1 of each arm 65
Reduce so that it is guaranteed that the intensity of each arm 65.Two backoff portion 81,82 by forge surface form, therefore do not need two backoff portion 81,
82 machining, so as to reduce manufacturing cost.
By the first yoke 51 including being provided with two backoff portion 81,82, so as to realize in the larger bending of jackshaft 6
Angle.The present invention is not limited to above-mentioned embodiment, for example, from use condition to intensity on, can in the case where having no problem
To cancel the extension 83 of lateral surface 67, and the lateral surface 67 parallel with first direction Z1 is formed as into tabular surface.
Two backoff portion 81,82 can not be forging surface and be formed by casting surface, such as can pass through CFRP (carbon fibers
Reinforced plastics) ester moulding face formed.Need to be machined in no instance, be manufactured into so as to reduce
This.The first yoke as Hooks coupling universal coupling yoke of the present invention can be only used for the first Hooks coupling universal coupling 30 and the second universal joint shaft
Any one of device 40.
In addition, the present invention can implement various changes in the range of the scope of claim is recorded.
Claims (5)
1. a kind of Hooks coupling universal coupling yoke, including:
The cylindrical portion that axle combines;
Slit, it is from one end of the cylindrical portion along the axially extending of the cylindrical portion as first direction;
Flange, it extends from the other end of the cylindrical portion to the radial outside of the cylindrical portion;And
A pair of arms, the pair of arm are extended from the flange to the side opposite with the cylindrical portion, and via cross
Axle is linked in a manner of it can swing with subject side yoke,
In the Hooks coupling universal coupling yoke,
The pair of arm is plate-like, opposed medial surface in the second direction that the tabular is included in the first direction is orthogonal,
And the lateral surface positioned at the opposite side of the medial surface,
Each arm includes base end part and the leading section being connected with the flange,
In the leading section of each arm formed with the support holes being made up of through hole, the support holes are via by the cross axle
In corresponding axle portion insertion bearing and supported,
The support holes of each arm have the central axis extended along the second direction,
From the third direction orthogonal with both the first direction and the second direction, the inner side of each arm
Face includes:With the terminal from the top of the opening edge portion side of the support holes towards the base end part side to amplify described one
The first backoff portion for keeping out of the way to the mode at the interval between the medial surface of arm and the end face of the terminal and the flange is connected
Second backoff portion of the arc-shaped connect.
2. Hooks coupling universal coupling yoke according to claim 1, wherein,
From the third direction, the lateral surface of each arm includes moving back from first backoff portion and described second
Keep away the extension that the inboard in portion is stretched out laterally.
3. Hooks coupling universal coupling yoke according to claim 1, wherein,
First backoff portion and second backoff portion are by forging appointing in surface, casting surface or ester moulding face
Meaning is a kind of to be formed.
4. Hooks coupling universal coupling yoke according to claim 2, wherein,
First backoff portion and second backoff portion are by forging appointing in surface, casting surface or ester moulding face
Meaning is a kind of to be formed.
5. a kind of jackshaft, possesses:
Intermediate propeller shaft, it can stretch;And
A pair of Hooks coupling universal couplings, the pair of Hooks coupling universal coupling are respectively arranged at the axial a pair of end of the intermediate transmission
Portion,
In the jackshaft,
Each Hooks coupling universal coupling includes:With axle corresponding to confession with reference to cylindrical portion the first yoke, with reference to the intermediate transmission
Second yoke of the corresponding end in axle and the cross axle for linking first yoke and second yoke,
At least one formed by Hooks coupling universal coupling yoke according to any one of claims 1 to 4 in the pair of Hooks coupling universal coupling
The first individual yoke.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016099785A JP2017207126A (en) | 2016-05-18 | 2016-05-18 | Universal joint yoke and intermediate shaft |
JP2016-099785 | 2016-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107448488A true CN107448488A (en) | 2017-12-08 |
Family
ID=58692413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710333177.7A Pending CN107448488A (en) | 2016-05-18 | 2017-05-12 | Hooks coupling universal coupling yoke and jackshaft |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170335893A1 (en) |
EP (1) | EP3249253A1 (en) |
JP (1) | JP2017207126A (en) |
CN (1) | CN107448488A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102221057B1 (en) * | 2019-12-24 | 2021-02-26 | 남양넥스모 주식회사 | Intermediate shaft of steering apparatus |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH063419B2 (en) | 1987-02-20 | 1994-01-12 | 富士通株式会社 | Pattern detection device |
JP2534772B2 (en) * | 1989-07-07 | 1996-09-18 | 日本精工株式会社 | Universal joint yoke manufacturing method |
JP2553096Y2 (en) | 1991-06-28 | 1997-11-05 | 日本精工株式会社 | Universal joint yoke |
JP3661327B2 (en) | 1997-01-22 | 2005-06-15 | 日本精工株式会社 | Universal joint yoke |
JP2000320564A (en) * | 1999-05-10 | 2000-11-24 | Nsk Ltd | Yoke of universal joint and manufacturer thereof |
US6761237B2 (en) * | 2002-01-08 | 2004-07-13 | Meritor Heavy Vehicle Technology, Llc | Quick connect/disconnect driveline assembly |
US10533611B2 (en) * | 2014-05-14 | 2020-01-14 | Nsk Ltd. | Assembly method for cross shaft universal joint |
-
2016
- 2016-05-18 JP JP2016099785A patent/JP2017207126A/en active Pending
-
2017
- 2017-04-28 US US15/581,515 patent/US20170335893A1/en not_active Abandoned
- 2017-05-08 EP EP17169927.5A patent/EP3249253A1/en not_active Withdrawn
- 2017-05-12 CN CN201710333177.7A patent/CN107448488A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3249253A1 (en) | 2017-11-29 |
JP2017207126A (en) | 2017-11-24 |
US20170335893A1 (en) | 2017-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6354761B2 (en) | Torque transmission shaft with universal joint yoke | |
ITMI20061831A1 (en) | UNIT OF DISPLACEMENT AND JOINTED TREE WITH A MOVEMENT UNIT | |
CN109477527B (en) | Telescopic shaft | |
US20190145456A1 (en) | Telescopic steering shaft with a pull-out safeguard | |
JP2001074059A (en) | Driving shaft | |
US7591354B2 (en) | Shock absorbing steering device for vehicle | |
US20060130309A1 (en) | Method of manufacturing a splined member having a coating of a material applied thereto | |
US8342969B2 (en) | Tripod-type constant-velocity universal joint and method of manufacturing the same | |
CN107448488A (en) | Hooks coupling universal coupling yoke and jackshaft | |
CN107690367B (en) | The method for being used to form driving-shaft assembly | |
US8986126B2 (en) | Cross universal joint and manufacturing method thereof | |
WO2019027004A1 (en) | Shaft coupling structure and telescopic shaft | |
GB2119479A (en) | Yoke in a universal joint | |
US8029373B2 (en) | Fixed constant velocity universal joint | |
JP2018115704A (en) | Hollow power transmission shaft | |
KR101836126B1 (en) | A forming mold for manufacturing a shaft yoke and a shaft yoke manufactured thereby | |
KR20080110220A (en) | Telescopic structure of steering column | |
JP5742982B2 (en) | Joint part between shaft and universal joint yoke and method for manufacturing the same | |
JP5488546B2 (en) | Joint part between shaft and universal joint yoke and method for manufacturing the same | |
JP6398444B2 (en) | Cross shaft type universal joint yoke | |
JP2017145946A (en) | Telescopic shaft | |
JP4735444B2 (en) | Joint part between shaft and universal joint yoke and method for manufacturing the same | |
JP2011231792A (en) | Sliding constant velocity universal joint, and ironing process method of outer joint member thereof | |
JP2002046628A (en) | Steering device for vehicle | |
JP2017145945A (en) | Telescopic shaft |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |